In an Oct. 9 Science, Boer Deng misidentified the colors of the mitochondria and DNA in the caption of an image of a human bone cancer cell. The mitochondria is yellow, and the DNA is blue.

In an Oct. 9 Slatest, Elliot Hannon misstated that a hazmat team responded to an Ebola hoax at an airport in Puerto Rico. The incident occurred in the Dominican Republic.

In an Oct. 8 Bad Astronomy, Phil Plait misstated that the star DG CVn is 25 light-years away and one-fourth the Sun's mass. New data this year show that the star is 60 light-years away and one-third the Sun's mass.

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In an Oct. 8 Books, John Dickerson misstated that Philip Crane had an affair with a congressional page. That was his brother Congressman Dan Crane.

In an Oct. 8 Technology, Will Oremus misstated that Hewlett-Packard predated Google by about 40 years and Apple by about 60. It predated Apple by about 40 years and Google by about 60.

In the Oct. 7 Behold, Jordan Teicher misstated that photographer Daniel Terna had not been to Israel before 2007. He had.

In an Oct. 7 Culturebox by Ben Blatt, the interactive birth-location map for baseball players originally listed Nationals player Denard Span as being born in Tampa, Florida. He was actually born in Washington, D.C., though raised in Tampa. The map has been corrected. In the map of invented state names based on current players, the name given for southwestern Florida has been changed from “Spanida” to “Joyceland,” after Tampa native and Rays player Matt Joyce.

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In an Oct. 7 Culturebox, Katy Waldman misspelled Rumpelstiltskin’s name and had to forfeit her firstborn child. Hopefully this correction will help.

In an Oct. 7 Future Tense, Boer Deng misstated the number of times Mecca 3D has been downloaded. It’s been downloaded about 80,000 on Android and iOS combined, not Android alone.

In an Oct. 6 Outward, Lisa T. McElroy misstated the number of federal appeals courts that the Supreme Court declined to hear marriage-equality appeals from. It was three, not five.

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An Oct. 6 home page headline for a Science article stated that no woman has ever won the Nobel Prize in physics. No woman has won it in 50 years.

In an Oct. 6 Slatest, Elliot Hannon misstated that a federal judge found the St. Louis Metropolitan Police Department's policing tactics in Ferguson unconstitutional. The judge found the St. Louis County Police Department’s tactics in Ferguson unconstitutional.

Due to a production error, the headline on an Oct. 2 Future Tense misstated that the researchers were questioning whether one would notice if someone else controlled what one said. The research was questioning whether other people would notice if someone controlled what another person said.

In an Oct. 1 Future Tense, Gerardo Chowell-Puente misstated that measles was lethal in one out of every three or four cases. That figure is true worldwide, if medical treatment and nutrition are poor; in the United States before the introduction of the vaccine, three to 25 of every 1,000 cases were fatal.

Slate strives to correct all errors of fact. If you've seen an error in our pages, let us know at corrections@slate.com. General comments should be posted in our Comments sections at the bottom of each article.